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Clinically measured hip muscle capacity deficits in people with patellofemoral pain.
Phys Ther Sport. 2019 Jan; 35:69-74.PT

Abstract

OBJECTIVE

To evaluate differences in clinical measures of hip abductor and extensor capacity (strength, endurance and power) in people with patellofemoral pain (PFP) compared to asymptomatic controls.

DESIGN

Cross-sectional.

SETTINGS

Laboratory.

PARTICIPANTS

Thirty-two physically active people (16 with PFP and 16 controls).

MAIN OUTCOME MEASURES

Strength was evaluated isometrically using a hand-held dynamometer and dynamically using 10 repetitions maximum (10RM) tests. Power was assessed using a linear position transducer. Endurance was assessed using maximum number of repetitions.

RESULTS

The PFP group had significant deficits compared to the control group in isometric strength (21-25%) for hip abduction (ES = 0.98) and extension (ES = 0.85); in 10RM (15-18%) for hip abduction (ES = 0.72) and extension (ES = 0.85); and in power (24-31%) for hip abduction (ES = 0.80), and extension (ES = 0.94). No difference was identified for hip abduction and extension in endurance tests.

CONCLUSION

Clinical assessments can identify deficits in isometric and dynamic hip strength, as well as power in people with PFP. Hip muscle capacity deficits in people with PFP including strength and power highlight a potential need for more progressive resistance training in this population.

Authors+Show Affiliations

Sport and Exercise Medicine Research Centre, School of Allied Health, La Trobe University, Melbourne, Australia; Department of Physiotherapy, São Carlos Federal University, São Carlos, Brazil. Electronic address: nunesguilherme@live.com.Sport and Exercise Medicine Research Centre, School of Allied Health, La Trobe University, Melbourne, Australia; Department of Physiotherapy, School of Science and Technology, São Paulo State University (UNESP), Presidente Prudente, Brazil.Sport and Exercise Medicine Research Centre, School of Allied Health, La Trobe University, Melbourne, Australia.Department of Physiotherapy, São Carlos Federal University, São Carlos, Brazil.Sport and Exercise Medicine Research Centre, School of Allied Health, La Trobe University, Melbourne, Australia.Sport and Exercise Medicine Research Centre, School of Allied Health, La Trobe University, Melbourne, Australia; Department of Surgery, St Vincent's Hospital, University of Melbourne, Australia.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30471549

Citation

Nunes, Guilherme S., et al. "Clinically Measured Hip Muscle Capacity Deficits in People With Patellofemoral Pain." Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine, vol. 35, 2019, pp. 69-74.
Nunes GS, de Oliveira Silva D, Pizzari T, et al. Clinically measured hip muscle capacity deficits in people with patellofemoral pain. Phys Ther Sport. 2019;35:69-74.
Nunes, G. S., de Oliveira Silva, D., Pizzari, T., Serrão, F. V., Crossley, K. M., & Barton, C. J. (2019). Clinically measured hip muscle capacity deficits in people with patellofemoral pain. Physical Therapy in Sport : Official Journal of the Association of Chartered Physiotherapists in Sports Medicine, 35, 69-74. https://doi.org/10.1016/j.ptsp.2018.11.003
Nunes GS, et al. Clinically Measured Hip Muscle Capacity Deficits in People With Patellofemoral Pain. Phys Ther Sport. 2019;35:69-74. PubMed PMID: 30471549.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Clinically measured hip muscle capacity deficits in people with patellofemoral pain. AU - Nunes,Guilherme S, AU - de Oliveira Silva,Danilo, AU - Pizzari,Tania, AU - Serrão,Fábio Viadanna, AU - Crossley,Kay M, AU - Barton,Christian John, Y1 - 2018/11/11/ PY - 2018/09/04/received PY - 2018/10/21/revised PY - 2018/11/05/accepted PY - 2018/11/25/pubmed PY - 2019/3/29/medline PY - 2018/11/25/entrez KW - Concentric KW - Eccentric KW - Knee KW - Muscle strength KW - Physical endurance KW - Power SP - 69 EP - 74 JF - Physical therapy in sport : official journal of the Association of Chartered Physiotherapists in Sports Medicine JO - Phys Ther Sport VL - 35 N2 - OBJECTIVE: To evaluate differences in clinical measures of hip abductor and extensor capacity (strength, endurance and power) in people with patellofemoral pain (PFP) compared to asymptomatic controls. DESIGN: Cross-sectional. SETTINGS: Laboratory. PARTICIPANTS: Thirty-two physically active people (16 with PFP and 16 controls). MAIN OUTCOME MEASURES: Strength was evaluated isometrically using a hand-held dynamometer and dynamically using 10 repetitions maximum (10RM) tests. Power was assessed using a linear position transducer. Endurance was assessed using maximum number of repetitions. RESULTS: The PFP group had significant deficits compared to the control group in isometric strength (21-25%) for hip abduction (ES = 0.98) and extension (ES = 0.85); in 10RM (15-18%) for hip abduction (ES = 0.72) and extension (ES = 0.85); and in power (24-31%) for hip abduction (ES = 0.80), and extension (ES = 0.94). No difference was identified for hip abduction and extension in endurance tests. CONCLUSION: Clinical assessments can identify deficits in isometric and dynamic hip strength, as well as power in people with PFP. Hip muscle capacity deficits in people with PFP including strength and power highlight a potential need for more progressive resistance training in this population. SN - 1873-1600 UR - https://www.unboundmedicine.com/medline/citation/30471549/Clinically_measured_hip_muscle_capacity_deficits_in_people_with_patellofemoral_pain_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1466-853X(18)30426-7 DB - PRIME DP - Unbound Medicine ER -